EP1439302A1 - Kraftstoffinjektor und Zündeinrichtung für eine Brennkraftmaschine - Google Patents
Kraftstoffinjektor und Zündeinrichtung für eine Brennkraftmaschine Download PDFInfo
- Publication number
- EP1439302A1 EP1439302A1 EP03100085A EP03100085A EP1439302A1 EP 1439302 A1 EP1439302 A1 EP 1439302A1 EP 03100085 A EP03100085 A EP 03100085A EP 03100085 A EP03100085 A EP 03100085A EP 1439302 A1 EP1439302 A1 EP 1439302A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel
- electrode
- fuel injector
- ignition device
- ignition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 105
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 238000009736 wetting Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M57/00—Fuel-injectors combined or associated with other devices
- F02M57/06—Fuel-injectors combined or associated with other devices the devices being sparking plugs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
- F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size
Definitions
- At least one fuel outlet of the fuel injector is optionally designed such that that fuel emerging from this is not integrated into the fuel injector Electrode is directed. This is preferably for all fuel outlets of the fuel injector the case so that it is structurally ensured that liquid fuel cannot reach the electrode directly.
- the integrated design of fuel outlets and electrode has the advantage that such Alignment set with high precision in the manufacture of the fuel injector can be. It should be noted, however, that it is also part of the Invention lies when fuel outlets of the fuel injector onto the electrode are directed. This can be the case, for example, when the impulse of the injected fuel is known to be so low that it is the electrode not reached. Finally, applications are also conceivable in which a certain Wetting of the electrodes is desired.
- the counter electrode on the piston is also preferably an elevation on the Top of the piston formed which the electrode of the ignition device is facing.
- an elevation on the piston can easily (Counter) electrodes are formed because there are electrical fields at the top focus on the survey.
- the advantage of the integrated design of the fuel injector 1 shown with the ignition device 3, 4 is that a fixed relative geometry between the electrodes 3, 4 and the fuel outlets 2 is present. As from the side view can be seen in the right part of Figure 1, in particular by the alignment of the fuel outlets 2 and the arrangement of the electrodes 3, 4 ensure that the electrodes 3, 4 are not fuel jets 5 hit and therefore not be wetted. Such wetting would misfires and thus disadvantages in fuel consumption and pollutant emissions lead and should therefore be avoided. In known internal combustion engines, where the fuel injector and the ignition device (spark plug) are independent Components must be achieved through careful and precise installation that no wetting takes place. In contrast, the Integrated fuel injector with ignition device according to the invention much easier to be assembled. Another advantage of the integrated fuel injector 1 is in that it takes up less space due to its compact design, so that the valves can be designed accordingly larger and the cooling of the engine can be improved.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
- Fig. 1
- zwei Seitenansichten des erfindungsgemäßen Kraftstoffinjektors aus zwei zueinander senkrechten Richtungen;
- Fig. 2
- eine Ansicht von unten auf den Kraftstoffinjektor aus Richtung des Pfeils II von Figur 1, und
- Fig. 3
- eine Seitenansicht einer zweiten Ausgestaltungsform des Kraftstoffinjektors zusammen mit der Oberseite eines Kolbens, an welchem eine Masseelektrode ausgebildet ist.
Claims (10)
- Kraftstoffinjektor (1, 21) für eine Brennkraftmaschine mit Direkteinspritzung und Funkenzündung, in welchen mindestens eine Elektrode (3, 4, 24) einer Zündeinrichtung integriert ist,
dadurch gekennzeichnet, daß
dieser mehrere Kraftstoffauslässe (2, 22) enthält, welche gleichmäßig um die integrierte Elektrode (3, 4, 24) angeordnet sind. - Kraftstoffinjektor nach Anspruch 1,
dadurch gekennzeichnet, daß
dieser mindestens zwei Kraftstoffauslässe (2, 22) enthält. - Kraftstoffinjektor nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß
dieser alle Elektroden (3) und Gegenelektroden (4) einer Zündeinrichtung enthält. - Kraftstoffinjektor nach mindestens einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß
die Elektroden (3, 23) und Gegenelektroden (4, 24) derart angeordnet sind, daß der Zündfunke entlang der Mittelachse und/oder innerhalb des Kraftstoffsprühkegels des Kraftstoffinjektors entsteht. - Kraftstoffinjektor nach mindestens einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, daß
mindestens ein Kraftstoffauslaß (2, 22) des Kraftstoffinjektors (1, 21) derart ausgestaltet ist, daß austretender Kraftstoff (5, 25) nicht auf die integrierte Elektrode (3, 4, 24) gerichtet ist. - Zündeinrichtung für die Brennkammer einer Brennkraftmaschine, wobei in der Brennkammer ein beweglicher Kolben (26) angeordnet ist und die Zündeinrichtung mindestens eine Elektrode (24) enthält,
dadurch gekennzeichnet, daß
mindestens eine Gegenelektrode (23) an dem Kolben (26) ausgebildet ist. - Zündeinrichtung nach Anspruch 6,
dadurch gekennzeichnet, daß
die mindestens eine Elektrode (24) der Zündeinrichtung in einen Kraftstoffinjektor (21) nach mindestens einem der Ansprüche 1 bis 5 integriert ist. - Zündeinrichtung nach Anspruch 6 oder 7,
dadurch gekennzeichnet, daß
die Gegenelektrode (23) als Erhebung an der der Elektrode (24) zugewandten Oberseite des Kolbens (26) ausgebildet ist. - Zündeinrichtung nach Anspruch 8,
dadurch gekennzeichnet, daß
die Gegenelektrode (23) aus einem funkenresistenten Material besteht und/oder hiermit beschichtet ist. - Verfahren zur Zündung eines Luft-Kraftstoff-Gemisches in der Brennkammer einer Brennkraftmaschine durch einen elektrischen Funken,
dadurch gekennzeichnet, daß
der Funke zwischen einer Elektrode (24) und einem Kolben (26) der Brennkraftmaschine entsteht.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP03100085A EP1439302B1 (de) | 2003-01-17 | 2003-01-17 | Kraftstoffinjektor und Zündeinrichtung für eine Brennkraftmaschine |
| DE50310407T DE50310407D1 (de) | 2003-01-17 | 2003-01-17 | Kraftstoffinjektor und Zündeinrichtung für eine Brennkraftmaschine |
| JP2004009126A JP2004340124A (ja) | 2003-01-17 | 2004-01-16 | 内燃機関のための燃料噴射及び点火装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP03100085A EP1439302B1 (de) | 2003-01-17 | 2003-01-17 | Kraftstoffinjektor und Zündeinrichtung für eine Brennkraftmaschine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1439302A1 true EP1439302A1 (de) | 2004-07-21 |
| EP1439302B1 EP1439302B1 (de) | 2008-08-27 |
Family
ID=32524232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03100085A Expired - Lifetime EP1439302B1 (de) | 2003-01-17 | 2003-01-17 | Kraftstoffinjektor und Zündeinrichtung für eine Brennkraftmaschine |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1439302B1 (de) |
| JP (1) | JP2004340124A (de) |
| DE (1) | DE50310407D1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011107609A1 (de) * | 2011-06-30 | 2013-01-03 | Albonair Gmbh | Reduktionsmitteleinspritzdüse und Verfahren zur Herstellung einer Reduktionsmitteleinspritzdüse |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2382214C2 (ru) * | 2008-04-01 | 2010-02-20 | Государственное образовательное учреждение высшего профессионального образования "Алтайский государственный технический университет им. И.И. Ползунова" (АлтГТУ) | Способ смесеобразования и воспламенения рабочей смеси двигателя внутреннего сгорания и устройство для его осуществления |
| KR101187848B1 (ko) * | 2010-06-16 | 2012-10-04 | 한양대학교 에리카산학협력단 | 중공을 구비한 인젝터 유닛 및 그를 구비한 내연기관 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2057054A (en) * | 1979-08-17 | 1981-03-25 | Ass Eng Ltd | Combined ignition device and fuel injector |
| US4448160A (en) * | 1982-03-15 | 1984-05-15 | Vosper George W | Fuel injector |
| DE19638025A1 (de) | 1996-09-18 | 1998-03-19 | Bosch Gmbh Robert | Brennstoffeinspritzventil mit integrierter Zündkerze |
| EP0661446B1 (de) | 1993-11-29 | 1998-05-27 | Toyota Jidosha Kabushiki Kaisha | Kraftstoffeinspritzeinrichtung mit integrierter Zündkerze für Motor mit direkter Einspritzung |
| GB2322672A (en) * | 1997-02-28 | 1998-09-02 | Daimler Benz Ag | Direct-injection spark-ignition i.c. engine with spark electrode on the piston |
| US6340015B1 (en) | 1998-06-27 | 2002-01-22 | Robert Bosch Gmbh | Fuel injection valve with integrated spark plug |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9403675L (sv) * | 1994-10-27 | 1995-11-20 | Saab Automobile | Bränsleinsprutningsanordning med tändstiftsfunktion |
-
2003
- 2003-01-17 EP EP03100085A patent/EP1439302B1/de not_active Expired - Lifetime
- 2003-01-17 DE DE50310407T patent/DE50310407D1/de not_active Expired - Lifetime
-
2004
- 2004-01-16 JP JP2004009126A patent/JP2004340124A/ja active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2057054A (en) * | 1979-08-17 | 1981-03-25 | Ass Eng Ltd | Combined ignition device and fuel injector |
| US4448160A (en) * | 1982-03-15 | 1984-05-15 | Vosper George W | Fuel injector |
| EP0661446B1 (de) | 1993-11-29 | 1998-05-27 | Toyota Jidosha Kabushiki Kaisha | Kraftstoffeinspritzeinrichtung mit integrierter Zündkerze für Motor mit direkter Einspritzung |
| DE19638025A1 (de) | 1996-09-18 | 1998-03-19 | Bosch Gmbh Robert | Brennstoffeinspritzventil mit integrierter Zündkerze |
| GB2322672A (en) * | 1997-02-28 | 1998-09-02 | Daimler Benz Ag | Direct-injection spark-ignition i.c. engine with spark electrode on the piston |
| US6340015B1 (en) | 1998-06-27 | 2002-01-22 | Robert Bosch Gmbh | Fuel injection valve with integrated spark plug |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011107609A1 (de) * | 2011-06-30 | 2013-01-03 | Albonair Gmbh | Reduktionsmitteleinspritzdüse und Verfahren zur Herstellung einer Reduktionsmitteleinspritzdüse |
Also Published As
| Publication number | Publication date |
|---|---|
| DE50310407D1 (de) | 2008-10-09 |
| EP1439302B1 (de) | 2008-08-27 |
| JP2004340124A (ja) | 2004-12-02 |
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